$(document).ready(function() {
	$(".guess_box").click(function() {
		var my_num = Math.floor((Math.random() * 5) + 5);
		var discount = "<p>Your Discount is " + my_num + "%</p>";
		$(this).append(discount);
		$(".guess_box").each(function() {
			$(this).unbind('click');
		});
	});
});

function getRandom(num){
	
	var my_num = Math.floor(Math.random() * num);
	return my_num;
	
}